The phrase "assignment on an" is correct and usable in written English.
It can be used when referring to a specific assignment related to a particular topic or subject.
Example: "I have an assignment on an environmental issue that I need to complete by next week."
Alternatives: "task regarding a" or "project about a".
Ultimately, I finally found an agent willing to work the computer system to come up with a boarding pass and a seat assignment on an afternoon flight that was supposedly overbooked.
Define s to be a variable-assignment, or simply an assignment, on an interpretation M, if s is a function from the variables to the domain d of M. The role of variable-assignments is to assign denotations to the free variables of open formulas.
The forward primer was labeled with a fluoro-dye (6-FAM, 5HEX or NED) to enable allele size assignment on an ABI 3730 DNA Analyzer.
If a task is completed, then it has a non-empty assignment on a certain machine such that the assigned sub-interval does not overlap (or conflict) with any assignment on the same machine.
Janssen (1986) has a proof that we can turn any meaning assignment on a recursively enumerable set of expressions into a compositional one, as long as we can replace the syntactic operations with different ones.
ORBITZ, the discount travel Web site, is sending an important advertising assignment on a cross-country trip — and a principal reason is the same one that computer users visit orbitz.com: to try to save money.
Oh, and as a side note, running back Arian Foster blew a block assignment on a blitz.
Ryan was more like a callow seminarian eying an assignment on a Cardinal's staff or a post in Rome.
Grey had been handling the assignment on a temporary basis since the energy crisis hit California in the winter.
Mr. Blevin rotates the Indy assignment on a year-by-year basis with the two other I.R.L. chief flagmen.
Wrigley Jr. division of Mars; Puma; and the SoBe beverage line sold by PepsiCo — was hired by JetBlue for the experience assignment on a project basis.
